package bigbluej;

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import org.apache.commons.lang.Validate;

import java.lang.reflect.Field;
import java.util.SortedMap;
import java.util.TreeMap;

/**
 * @author Michael Lieshoff
 */
public class ReflectionUtils {

    public static SortedMap<String, Object> getFieldsAndValuesInSortedMap(Object object) throws IllegalAccessException {
        Validate.notNull(object);
        SortedMap<String, Object> fieldAndValues = new TreeMap<>();
        for (Field field : object.getClass().getDeclaredFields()) {
            field.setAccessible(true);
            String name = field.getName();
            Object value = field.get(object);
            if (!field.isSynthetic() && value != null) {
                fieldAndValues.put(name, value);
            }
        }
        return fieldAndValues;
    }

}
